Open Hardware & RISC-V

NASA develops solid-state batteries for extreme temperature environments

Key Takeaway

NASA's new solid-state batteries using ceramic or polymer electrolytes can operate between -60°C and 80°C and survive temperatures as low as -170°C.

Summary

NASA has developed batteries utilizing solid ceramic or polymer electrolytes to overcome the temperature limitations of liquid electrolytes. These batteries can operate meaningfully from -60°C to 80°C and showed no damage or capacity loss after being exposed to -170°C. The technology is intended for lunar exploration in permanently shadowed craters and other extreme environments.

Solid-state electrolyte advantages

  • Uses ceramic or polymer solid electrolytes instead of liquid ones.
  • Operational temperature range: -60°C to 80°C.
  • Survival testing: No damage observed at -170°C.
  • Post-extreme cold testing showed no capacity loss after heating back to operating range.
  • Reduces the need for complex thermal management systems.

Why it matters

These batteries could enable long-term scientific missions in lunar environments and reduce thermal management requirements for terrestrial applications.

Original reference: hackaday.com →